charm-neutron-api/unit_tests/test_actions.py
Liam Young 9be47125b5 Add pause/resume actions and sync charm-helpers
Adds pause and resume unit to the charm such that the
charm stays paused during maintenance operations.

Partial-Bug: 1558642
Change-Id: Id5c44143f30305a3c412648cebb4c30caaa3e789
2016-03-20 14:25:47 +00:00

87 lines
2.4 KiB
Python

import mock
mock.patch('charmhelpers.core.hookenv.status_set').start()
with mock.patch('charmhelpers.core.hookenv.config') as config:
config.return_value = 'neutron'
import neutron_api_utils as utils # noqa
# Need to do some early patching to get the module loaded.
_reg = utils.register_configs
_map = utils.restart_map
utils.register_configs = mock.MagicMock()
utils.restart_map = mock.MagicMock()
import actions
# Unpatch it now that its loaded.
utils.register_configs = _reg
utils.restart_map = _map
from test_utils import (
CharmTestCase
)
TO_PATCH = [
]
class PauseTestCase(CharmTestCase):
def setUp(self):
super(PauseTestCase, self).setUp(
actions, ["register_configs", "pause_unit_helper"])
self.register_configs.return_value = 'test-config'
def test_pauses_services(self):
actions.pause([])
self.pause_unit_helper.assert_called_once_with('test-config')
class ResumeTestCase(CharmTestCase):
def setUp(self):
super(ResumeTestCase, self).setUp(
actions, ["register_configs", "resume_unit_helper"])
self.register_configs.return_value = 'test-config'
def test_resumes_services(self):
actions.resume([])
self.resume_unit_helper.assert_called_once_with('test-config')
class MainTestCase(CharmTestCase):
def setUp(self):
super(MainTestCase, self).setUp(actions, ["register_configs",
"action_fail"])
self.register_configs.return_value = 'test-config'
def test_invokes_action(self):
dummy_calls = []
def dummy_action(args):
dummy_calls.append(True)
with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
actions.main(["foo"])
self.assertEqual(dummy_calls, [True])
def test_unknown_action(self):
"""Unknown actions aren't a traceback."""
exit_string = actions.main(["foo"])
self.assertEqual("Action foo undefined", exit_string)
def test_failing_action(self):
"""Actions which traceback trigger action_fail() calls."""
dummy_calls = []
self.action_fail.side_effect = dummy_calls.append
def dummy_action(args):
raise ValueError("uh oh")
with mock.patch.dict(actions.ACTIONS, {"foo": dummy_action}):
actions.main(["foo"])
self.assertEqual(dummy_calls, ["uh oh"])